EP 0043922 A1 19820120 - Process for preparing 1,2-dimethyl-5-nitroimidazole.
Title (en)
Process for preparing 1,2-dimethyl-5-nitroimidazole.
Title (de)
Verfahren zur Herstellung von 1.2-Dimethyl-5-nitroimidazol.
Title (fr)
Procédé de préparation de 1,2-diméthyl-5-nitroimidazole.
Publication
Application
Priority
DE 3026846 A 19800716
Abstract (en)
1. A process for preparation of 1,2-dimethyl-5-nitroimidazole by reacting 2-methyl-4(5)-nitroimidazole with dimethyl sulphate in formic acid at elevated temperature, wherein the reaction is carried out at a pressure of from 50 to 500 mb.
Abstract (de)
Verfahren zur Herstellung von 1.2-Dimethyl-5-nitroimidazol durch Umsetzung von 2-Methyl-4(5)-nitroimidazol mit Dimethylsulfat in Ameisensäure bei vermindertem Druck.
IPC 1-7
IPC 8 full level
C07D 233/92 (2006.01)
CPC (source: EP)
C07D 233/92 (2013.01)
Citation (search report)
- DE 2414280 A1 19751023 - BASF AG
- DE 1084729 C
- FR 2263241 A1 19751003 - FINOTTO MARTINO [IT]
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0043922 A1 19820120; EP 0043922 B1 19840919; DE 3026846 A1 19820211; DE 3166154 D1 19841025
DOCDB simple family (application)
EP 81104591 A 19810615; DE 3026846 A 19800716; DE 3166154 T 19810615